package com.nrtech.brebes;

import java.io.IOException;
import java.io.StringReader;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;

public class XMLParser {
	private Exception Except;
	String xml = null;
	
	public Exception getExcept() {
		return Except;
	}
	public String getXmlFromUrl(String url) {
        try {
        	AsyncHttpClient client = new AsyncHttpClient();
            client.get(url, new AsyncHttpResponseHandler() {
                @Override
                public void onSuccess(String response) {
                    System.out.println(response);
                    xml = response;
                }
            });
        } catch (Exception ex) {
        	Except = ex;
        }
        
        return xml;
    }
	
	public Document getDomElement(String xml){
        Document doc = null;
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        try {
 
            DocumentBuilder db = dbf.newDocumentBuilder();
 
            InputSource is = new InputSource();
                is.setCharacterStream(new StringReader(xml));
                doc = db.parse(is); 
 
            } catch (ParserConfigurationException e) {
                Except =  e;
                return null;
            } catch (SAXException e) {
            	Except =  e;
                return null;
            } catch (IOException e) {
            	Except =  e;
                return null;
            }
                // return DOM
            return doc;
    }
	
	public String getValue(Element item, String str) {
	    NodeList n = item.getElementsByTagName(str);
	    return this.getElementValue(n.item(0));
	}
	 
	public final String getElementValue( Node elem ) {
	         Node child;
	         if( elem != null){
	             if (elem.hasChildNodes()){
	                 for( child = elem.getFirstChild(); child != null; child = child.getNextSibling() ){
	                     if( child.getNodeType() == Node.TEXT_NODE  ){
	                         return child.getNodeValue();
	                     }
	                 }
	             }
	         }
	         return "";
	  } 
}
